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Finding the Third Proportional to 36,283,887.75 and 78,339,835.50

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Solution

The third proportional to 36,283,887.75 and 78,339,835.50 is: 169,142,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283,887.75 : 78,339,835.50 = 78,339,835.50 : x
  2. Step 2: Convert to fraction form
    36,283,887.75/78,339,835.50 = 78,339,835.50/x
  3. Step 3: Cross multiply
    36,283,887.75x = 78,339,835.50 × 78,339,835.50
  4. Step 4: Simplify right side
    36,283,887.75x = 6,137,129,826,167,060
  5. Step 5: Solve for x
    x = 6,137,129,826,167,060/36,283,887.75
  6. Step 6: Final answer
    x = 169,142,013.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.